National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Strong to Severe Thunderstorms in the East; Heat in the Central and Western U.S.

Strong to potentially severe thunderstorms with damaging wind gusts are forecast Thursday from parts of New England into the Mid Atlantic and Carolinas. Significant heat will expand across the West and Central Plains through Friday, potentially breaking daily high temperature records. Dangerous heat will then build into the Eastern U.S. this weekend through much of next week. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

Lat: 46.26955°NLon: 119.11813°WElev: 397.0ft.

Clear

63°F

17°C

Humidity 45%
Wind Speed NW 6 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 18 Jun 11:05 PM PDT
Extended Forecast for

Prosser WA

  • Tonight

    Tonight: Partly cloudy, with a low around 48. West wind around 8 mph.

    Low: 48 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Partly sunny, with a high near 80. West wind around 6 mph.

    High: 80 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 52. West wind 7 to 11 mph.

    Low: 52 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after 11am. Partly sunny, with a high near 72. West wind 10 to 16 mph, with gusts as high as 22 mph.

    High: 72 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 46. West wind 13 to 18 mph, with gusts as high as 24 mph.

    Low: 46 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: A 50 percent chance of showers. Partly sunny, with a high near 68.

    High: 68 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers, mainly before 11am. Partly sunny, with a high near 75.

    High: 75 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 48. West wind around 8 mph.
Juneteenth
Partly sunny, with a high near 80. West wind around 6 mph.
Thursday Night
Mostly cloudy, with a low around 52. West wind 7 to 11 mph.
Friday
A 20 percent chance of showers after 11am. Partly sunny, with a high near 72. West wind 10 to 16 mph, with gusts as high as 22 mph.
Friday Night
A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 46. West wind 13 to 18 mph, with gusts as high as 24 mph.
Saturday
A 50 percent chance of showers. Partly sunny, with a high near 68.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 48.
Sunday
A 30 percent chance of showers, mainly before 11am. Partly sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 50.
Monday
Sunny, with a high near 84.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Sunny, with a high near 90.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Sunny, with a high near 94.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Prosser WA
 46.21°N 119.75°W (Elev. 741 ft)
Last Update:
10:15 pm PDT Jun 18, 2025
Forecast Valid:
11pm PDT Jun 18, 2025-6pm PDT Jun 25, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation